1 files changed, 20 insertions, 0 deletions
diff --git a/system/include/array_utils.h b/system/include/array_utils.h
new file mode 100644
index 0000000000..d669d0aba0
--- /dev/null
+++ b/system/include/array_utils.h
@@ -0,0 +1,20 @@
+//
+//  Copyright 2021 Google, Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at:
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+#pragma once
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
+#endif